Aquari-Sol is highly effective against Ick (White Spot), closed fins, body fungus, velet, and sluggishness. A Broad spectrum anti-parasite treatment that is mild enough to use as a weekly preventative treatment or net dip. Aquari-Sol is for freshwater use only and is safe for use with most live plants (if use as directed). It will not discolor aquarium water and works regardless of pH or hardness.